Encyclopedias, Almanacs, Transcripts, and Maps
- Inarticulata (Nonarticulate Lampshells)
- Inca Religion
- incandescence
- incendiary bomb
- Indian art and architecture
- Indian Philosophies
- Indian Prime Ministers
- Indian Religions
- Indian Religions: An Overview
- Indian Religions: History of Study
- Indian Religions: Mythic Themes
- Indian Religions: Rural Traditions
- Indian theatre
- Indicator Organism
- Indigenous Peoples
- Indo-European Religions
- Indo-European Religions: An Overview
- Indo-European Religions: History of Study
- Indonesian Forest Fires
- Indus Valley Religion